This article describes how to use the Windows XP Encrypting File System (EFS) feature to store files in an encrypted format on your hard disk. Encryption is the process of converting data into a format that cannot be read by others. You can use EFS to automatically encrypt your data when it is stored on the hard disk. The Encrypting File System (EFS) is a file system driver that provides filesystem-level encryption in Microsoft Windows (2000 and later) operating systems....

Antivirus software (or anti-virus) is computer software used to identify and remove computer viruses, as well as many other types of harmful computer software, collectively referred to as malware. While the first antivirus software was designed exclusively to combat computer viruses (hence "antivirus"), modern antivirus software can protect computer systems against a wide range of malware, including worms, rootkits, and Trojans.Anti-virus software ty....

The ability to create objects from other Office applications is one of the great things about using VBA. For example, you can write a macro that will create an Outlook message object and attach a shortcut to the currently open workbook. A button on the toolbar will perform this same action, which is fine if that’s all you want to do. But using the sample macro below, you can add other text to the message, pre-address it, or perform other actions. You can also tie the cre....

Datacenter Edition builds on the feature set offered by Enterprise Edition and eliminates a few features that aren’t considered appropriate for a large enterprise data center. For example, Datacenter does not support the Internet Connection Firewall or Internet Connection Sharing, two features designed to make Windows an Internet gateway for network clients. Both features are, however, supported by Standard Edition and Enterprise Edition. Datacenter Edition adds support....

When we think of Trojans, we normally think of the huge wooden horse that the Greeks gifted the city of Troy, in which they had secretly hidden a small number of their warriors. When the Trojans took the horse into the city the soldiers emerged and opened the gates to the cities enemies. Computer trojans are based on the same idea; what can appear to be useful program or harmless site can be hiding a small Trojan program that once it has infected your computer opens a secret b....